diff mbox series

[v2,7/8] dmaengine: sh: rcar-dmac: Let the core do the device node validation

Message ID 6e544656cea22f93bdb2626620b381b00d1b38bf.1558351667.git.baolin.wang@linaro.org (mailing list archive)
State Accepted
Headers show
Series Add matching device node validation in DMA engine core | expand

Commit Message

(Exiting) Baolin Wang May 20, 2019, 11:32 a.m. UTC 
Let the DMA engine core do the device node validation instead of drivers.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
 drivers/dma/sh/rcar-dmac.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 33ab1b6..67df54a 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1654,8 +1654,7 @@  static bool rcar_dmac_chan_filter(struct dma_chan *chan, void *arg)
 	 * Forcing it to call dma_request_channel() and iterate through all
 	 * channels from all controllers is just pointless.
 	 */
-	if (chan->device->device_config != rcar_dmac_device_config ||
-	    dma_spec->np != chan->device->dev->of_node)
+	if (chan->device->device_config != rcar_dmac_device_config)
 		return false;
 
 	return !test_and_set_bit(dma_spec->args[0], dmac->modules);
@@ -1675,7 +1674,8 @@  static struct dma_chan *rcar_dmac_of_xlate(struct of_phandle_args *dma_spec,
 	dma_cap_zero(mask);
 	dma_cap_set(DMA_SLAVE, mask);
 
-	chan = dma_request_channel(mask, rcar_dmac_chan_filter, dma_spec);
+	chan = __dma_request_channel(&mask, rcar_dmac_chan_filter, dma_spec,
+				     ofdma->of_node);
 	if (!chan)
 		return NULL;